Re: Pacific Coast/Californian Irises

Daniel,

You can propagate the Pacific Coast Native Iris by division while they
are actively growing their white roots. Good times to do so are in the
Spring and late Fall. In the Spring, you may wish to propagate after
they have bloomed, and before a dry summer slows root growth. Well
watered plants may also be propagated when the late Fall rains have
encouraged root growth and a number of weeks remain for the roots to
become adequately established before the cold Winter ground slows their
growth.

Dallas Patterson
nye@fidalgo.net
on Puget Sound, Washington

danieljones01uk@yahoo.com wrote:
> 
> I have two Pacific Coast hybrids, 'Broadleigh Lavinia'
> and 'Broadleigh Nancy'. Absolutely gorgeous!  These were planted out
> as small plants two years ago and have now formed substantial clumps,
> just about to come into flower.  What's the best advice on
> propagating these by division?  I'm not sure which zone I'm in
> according to the US system, but temperature range across the year is
> usually -5 to 25C, first frosts in October, last frosts April.
> 
> daniel
> 
> 
> 
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